Hello World
Hello World

Hello World

Tutorial Exercise


“Hello, World!” will get you writing some Swift and familiarize yourself with the Exercism workflow. Completing it unlocks the rest of the Swift Track.

Watch our "Introduction to Hello, World" video to get started 👇


The classical introductory exercise. Just say "Hello, World!".

"Hello, World!" is the traditional first program for beginning programming in a new language or environment.

The objectives are simple:

  • Modify the provided code so that it produces the string "Hello, World!".
  • Run the test suite and make sure that it succeeds.
  • Submit your solution and check it at the website.

If everything goes well, you will be ready to fetch your first real exercise.

Check out the test cases and expected results in HelloWorldTests.swift. Here are some test examples.

  • Calling hello() returns "Hello, World!"
  • Calling hello("Alice") returns "Hello, Alice!"
Edit via GitHub The link opens in a new window or tab
Swift Exercism

Ready to start Hello World?

Sign up to Exercism to learn and master Swift with 35 concepts, 100 exercises, and real human mentoring, all for free.